[Bug 88746] Re: ehci_hcd module causes I/O errors in USB 2.0 devices
Stefano_PG
sloteel at libero.it
Tue Jan 27 18:13:34 UTC 2009
DON'T DO THAT!!!!
by rmmodding those modules you will brake several other and your system
may not work. Fortunately you can remove the file as in 7) and than
remove the line in rc.local, so all should be the same again.
I have tested another way to modprobe the modules in the right order.
Simply open rc.local:
sudo gedit /etc/rc.local
and add these lines:
/sbin/modprobe -f ehci-hcd
/sbin/modprobe -f uhci-hcd
/sbin/modprobe -f ohci-hcd
I moved 7,5GB from pata to usb, than from usb to pata; then I reboot,
and I moved the same files again from pata to usb and to usb from pata.
In the meantime I was using some files in the USB drive to stress it
more.
Again, as above, no usb reset at all and a great improve in speed: from
6MB/s to 22MB/s. I don't know why, but I'll continue the tests.
--
ehci_hcd module causes I/O errors in USB 2.0 devices
https://bugs.launchpad.net/bugs/88746
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